<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
		#f{
			width: 400px;
			height: 400px;
			background-color: lightblue;
			position: absolute;
			left: 50px;
			top: 50px;
		}
		#c{
			width: 200px;
			height: 200px;
			background-color: lightpink;
			
		}
		#c2{
			width: 200px;
			height: 200px;
			background-color: lightgreen;
			position: absolute;
			left: 300px;
			top:300px;
			
			
		}
		
		</style>
	</head>
	<body>
		<div id="f">
			<div id="c"></div>
			<div id="c2"></div>
		</div>
	</body>
</html>
